Patents Assigned to Clariant GmbH
  • Process for preparing bisallylboranes and nonaromatic boronic acids
    Publication number: 20030096995
    Abstract: A process for preparing bisallylboranes of the formula (I) by reacting a diene with sodium borohydride in the presence of an oxidant 1
    Type: Application
    Filed: September 6, 2002
    Publication date: May 22, 2003
    Applicant: Clariant GmbH
    Inventors: Stefan Scherer, Alexei Kalinin, Victor Snieckus
  • Explosives comprising modified copolymers of polyisobutylene and maleic anhydride as emulsifiers
    Publication number: 20030094223
    Abstract: The invention provides an explosive composition consisting of
    Type: Application
    Filed: December 18, 2002
    Publication date: May 22, 2003
    Applicant: CLARIANT GmbH
    Inventors: Peter Klug, Ralf Bender
  • Process for preparing 4-substituted 2-alkylbiphenyls and 2-alkoxylbiphenyls
    Patent number: 6566546
    Abstract: A process for preparing 4-substituted 2-alkylbiphenyls and 2-alkoxybiphenyls of the formula (I),
    Type: Grant
    Filed: February 11, 2002
    Date of Patent: May 20, 2003
    Assignee: Clariant GmbH
    Inventors: Andreas Meudt, Stefan Scherer, Frank Vollmüller, Heinz Georg Kautz
  • Additives for inhibiting gas hydrate formation
    Patent number: 6566309
    Abstract: The invention relates to the use of compounds of the formula (1) in which R1 is C1-C30-alkyl, C2-C30-alkenyl or a group of the formula —CH2—CO—NR2R3 or a C6-C18-aryl radical which may be substituted by a C1-C12-alkyl group, R2, R3 independently of one another, are hydrogen, C1-C6-alkyl or C5-C7-cycloalkyl, or R2 and R3, including the nitrogen atom to which they are bonded, form a ring of 4 to 8 ring atoms, it being possible for the ring also to contain oxygen or nitrogen atoms in addition to carbon atoms, A is a C2-C4-alkylene radical and n is an integer from 1 to 20, as gas hydrate inhibitors.
    Type: Grant
    Filed: May 2, 2000
    Date of Patent: May 20, 2003
    Assignee: Clariant GmbH
    Inventors: Peter Klug, Michael Feustel
  • Copolymer blends and their use as additives for improving the cold flow properties of middle distillates
    Patent number: 6565616
    Abstract: The invention relates to blends of copolymers containing structural units of olefins, derivatives of dibasic carboxylic acids and, if required, polyolefins and, structural units of ethylene and vinyl esters of tertiary carboxylic acids, and their use as additives to fuel oils for improving their cold flow properties.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: May 20, 2003
    Assignee: Clariant GmbH
    Inventors: Matthias Krull, Thomas Volkmer, Werner Reimann
  • Substituted fluoroaromatics, process for preparing them and their use
    Publication number: 20030092930
    Abstract: Compounds of the formula (I) and also process for preparing them 1
    Type: Application
    Filed: November 12, 2002
    Publication date: May 15, 2003
    Applicant: Clariant GmbH
    Inventors: Wolfgang Schmidt, Rainer Wingen
  • Cosmetic compositions comprising polyethylene glycols
    Publication number: 20030086892
    Abstract: The invention relates to cosmetic compositions comprising polyethylene glycols of the formula H(OCH2CH2)nOH, in which n is an integer between 150 and 900. Through the use of the polyethylene glycols, the feel of the skin and the hair, the combability of the hair, and the foaming are improved.
    Type: Application
    Filed: October 16, 2002
    Publication date: May 8, 2003
    Applicant: Clariant GmbH
    Inventors: Peter Klug, Torsten Henning
  • PROCESS FOR PREPARING ETHANEBIS(ALKYLPHOSPHINIC) ACIDS
    Publication number: 20030073865
    Abstract: The invention relates to a process for preparing ethanebis(alkylphosphinic) acids by
    Type: Application
    Filed: December 19, 2001
    Publication date: April 17, 2003
    Applicant: Clariant GmbH
    Inventors: Martin Sicken, Norbert Weferling, Hans-Peter Schmitz
  • Builder composition
    Publication number: 20030073605
    Abstract: The invention relates to builder compositions with improved dissolution residue behavior, obtained by bringing
    Type: Application
    Filed: April 16, 2002
    Publication date: April 17, 2003
    Applicant: Clariant GmbH
    Inventors: Harald Bauer, Josef Holz, Gunther Schimmel
  • Fluorinated polycycles and their use in liquid-crystal mixtures
    Publication number: 20030072894
    Abstract: Compounds of the formula (I) 1
    Type: Application
    Filed: August 8, 2002
    Publication date: April 17, 2003
    Applicant: Clariant GmbH
    Inventors: Rainer Wingen, Barbara Hornung, Wolfgang Schmidt
  • Process for preparing azo colorants
    Patent number: 6548647
    Abstract: The invention provides a process for preparing azo colorants which comprises spraying one or more coupling components individually or in a mixture and one or more compatible diazonium salts individually or in a mixture, in their solution or suspension form through nozzles to a point of conjoint collision in a reactor chamber enclosed by a housing in a microjet reactor, a gas or an evaporating liquid being passed into the reactor chamber through an opening in the housing for the purpose of maintaining a gas atmosphere in the reactor chamber, and the resulting product solution or suspension and the gas or the evaporated liquid being removed from the reactor through a further opening in the housing by means of overpressure on the gas entry side or underpressure on the product and gas exit side.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: April 15, 2003
    Assignee: Clariant GmbH
    Inventors: Erwin Dietz, Joachim Weber, Dieter Schnaitmann, Christian Wille, Leonhard Unverdorben, Klaus Saitmacher, Jörg Jung, Kristina Schiffer
  • Flame retardant combination for thermoplastic polymers l
    Patent number: 6547992
    Abstract: The invention relates to a flame retardant combination for thermoplastic polymers comprising, as component A, a phosphinate of the formula (I) and/or a diphosphinate of the formula (II) and/or polymers of these where R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene or -arylalkylene; M are calcium ions, aluminum ions and/or zinc ions; m is 2 or 3; n is 1 or 3; x is 1 or 2, and, as component B, a synthetic inorganic compound and/or a mineral product.
    Type: Grant
    Filed: January 29, 2000
    Date of Patent: April 15, 2003
    Assignee: Clariant GmbH
    Inventors: Elke Schlosser, Bernd Nass, Wolfgang Wanzke
  • Flame-retardant phosphorus-modified epoxy resins
    Patent number: 6548627
    Abstract: The present invention relates to novel flame-retardant phosphorus-containing epoxy resins with an epoxy value of from 0.05 to 1.0 moll 100 g containing structural units which derive from (A) polyepoxy compounds having at least two epoxy groups per molecule, and (B) organic phosphinic acids. The invention further relates to a process for their preparation, and to their use. Besides their flame retardancy, the novel flame-retardant phosphorus-containing epoxy resins have especially good storage stability.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: April 15, 2003
    Assignee: Clariant GmbH
    Inventor: Sebastian Hörold
  • Process for preparing arylboron and alkylboron compounds in microreactors
    Publication number: 20030069420
    Abstract: Process for preparing arylboron and alkylboron compounds of the formulae (II) and (III) by reacting lithioaromatics and lithiated aliphatics of the formula (I) with boron compounds in microreactors in accordance with equation I or equation II, 1
    Type: Application
    Filed: August 1, 2002
    Publication date: April 10, 2003
    Applicant: Clariant GmbH
    Inventors: Manfred Koch, Detlef Wehle, Stefan Scherer, Klaus Forstinger, Andreas Meudt
  • Bleaching-active metal complexes
    Patent number: 6545147
    Abstract: Compounds of the formula I [LnMmXp]ZYq  (1) are claimed, where L is a ligand of the formula II and the individual symbols have the meanings defined in the description. The metal complexes are suitable as bleaching catalysts in detergents, cleaners and disinfectants which comprise peroxy compounds.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: April 8, 2003
    Assignee: Clariant GmbH
    Inventors: Michael Seebach, Gerd Reinhardt, Thomas Schönherr, Edwin Weber
  • Additives for inhibiting gas hydrate formation
    Patent number: 6544932
    Abstract: An additive for inhibiting the formation of gas hydrates in connection with hydrocarbon production and transportation comprising the water-soluble polymers comprising structural elements of the formula wherein each R is independently H or C1-C5-alkyl; X is H, an alkaline or earth alkaline metal or a quaternary ammonium group; R1 is H or C1-C18-alkyl; and R2 is C1-C18-alkyl; and wherein the alkyl groups represented by R1 and R2 optionally carry a hydroxy or amino substituent; and, optionally, a minor proportion of structural elements of the formula  wherein R, R1, R2 and X may have the meaning as above, and Alk is a C1-C5-alkylene chain.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: April 8, 2003
    Assignees: Clariant GmbH, RF-Rogaland Research
    Inventors: Peter Klug, Malcolm Kelland
  • Process for the preparation of acyloxybenzenesulfonates
    Publication number: 20030064906
    Abstract: Process for the preparation of acyloxybenzenesulfonates by reaction of phenolsulfonate with a water content of less than 0.5% by weight and alkanecarbonyl halide in a hydrocarbon as solvent and in the presence of a catalyst in the form of a basic nitrogen-containing compound.
    Type: Application
    Filed: August 1, 2002
    Publication date: April 3, 2003
    Applicant: Clariant GmbH
    Inventors: Gerd Reinhardt, Peter Naumann, Miriam Ladwig, Ina Golla, Torsten Pilz, Retio Wieduwilt, Henri Jourdan
  • Mixtures of alkylphosphoric esters and use thereof as cosmetic and pharmaceutical emulsifiers
    Patent number: 6541016
    Abstract: This invention relates to monoalkyl phosphoric esters, dialkyl phosphoric esters, and, in small amounts, trialkyl phosphoric esters or salts thereof, which are preferably based on &bgr;-branched fatty alcohols, particularly Guerbet alcohol, which are effective in lowering the surface tension of both polar and also nonpolar liquids, and which have high stability, even at elevated temperatures, and low sensitivity to electrolytes and acids. The invention further relates to the use of such mixtures as emulsifiers in cosmetic and pharmaceutical formulations, and to the resulting products.
    Type: Grant
    Filed: February 26, 1998
    Date of Patent: April 1, 2003
    Assignee: Clariant GmbH
    Inventors: Angelika Turowski-Wanke, Matthias Löffler, Oliver Eyrisch, Werner Skrypzak
  • Machine dishwashing detergent
    Patent number: 6539954
    Abstract: The invention relates to a liquid to paste machine dishwashing detergent which, in addition to customary machine dishwashing detergent ingredients, comprises a crystalline, layered silicate of the formula aA2O.bBO.cC2O3.dD2O5.eSiO2.fH2O, in which A is an alkali metal and/or hydrogen, B is an alkaline earth metal, C is an element from the third main group of the Periodic Table, and D is an element from the fifth main group of the Periodic Table, and the following also apply: 0≦a≦1; 0≦b≦0.5; 0≦c/e≦0.05; 0≦d/e≦0.25; 1.9≦e≦4; 0≦f≦20. The invention also relates to a process for the preparation of this machine dishwashing detergent and to its use.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: April 1, 2003
    Assignee: Clariant GmbH
    Inventors: Günther Schimmel, Lothar Westermann, Harald Bauer
  • Process for fine division of organic pigments by precipitation
    Patent number: 6537364
    Abstract: The invention provides a process for the fine division of pigments which comprises dissolving coarsely crystalline crude pigments in a solvent and precipitating them with a liquid precipitation medium by spraying the pigment solution and the precipitation medium through nozzles to a point of conjoint collision in a reactor chamber enclosed by a housing in a microjet reactor, a gas or an evaporating liquid being passed into the reactor chamber through an opening in the housing for the purpose of maintaining a gas atmosphere in the reactor chamber, and the resulting pigment suspension and the gas or the evaporated liquid being removed from the reactor through a further opening in the housing by means of overpressure on the gas entry side or underpressure on the product and gas exit side.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: March 25, 2003
    Assignee: Clariant GmbH
    Inventors: Erwin Dietz, Joachim Weber, Dieter Schnaitmann, Christian Wille, Leonhard Unverdorben, Klaus Brychcy